Some nouns are compound words made by joining two smaller words together.
Here are some examples of compound nouns:
toothpaste, haircut, ice cream, potato chip, blackberry, whiteboard, grapefruit, quicksand, airline, grasshopper, railroad, airport
Some nouns are formed by putting two or more words together. These nouns are called compound nouns.
It’s your turn. Find the compound noun in this sentence. I found my cat in the doghouse. Did you figure it out? Good for you!